package com.cy.pj.goods.service;

import com.cy.pj.goods.dao.Goods;
import com.cy.pj.goods.pojo.GoodsDao;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;
/*
 * 此对象负责商品模块的业务逻辑处理
 * 1)通过数据层对象访问业务数据
 * 2)通过日志对象记录日志
 * 3)通过第三方框架进行权限控制
 * 4)还可以做Cache。。。。
 * 5)..................
 */
@Service
public class GoodsServicelmpl implements GoodsService{
    private static final Logger log= LoggerFactory.getLogger(GoodsServicelmpl.class);
    @Autowired
    private GoodsDao goodsDao;
    @Override
    public List<Goods> findGoods() {
    long t1 = System.currentTimeMillis();
    log.info("start=",t1);
    List<Goods> list=goodsDao.findGoods();
    long t2 = System.currentTimeMillis();
    log.info("end=",t2);
    log.info("execute time {}",t2-t1);
    return list;
    }

    @Override
    public int deleteById(Integer id) {
        if(id==null||id<1)
            throw new IllegalArgumentException("传入的参数不合法");
        long t1 = System.currentTimeMillis();
        List<Goods> list=goodsDao.findGoods();
        int rows = goodsDao.deleteById(id);
        long t2 = System.currentTimeMillis();
        log.info("execute time {}",t2-t1);
        return rows;
    }


}

